Home / 13,314.19-19,965.13-4,988.26

Finding the Fourth Proportional to 13,314.19, 19,965.13 and 4,988.26

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Solution

The fourth proportional to 13,314.19, 19,965.13 and 4,988.26 is: 7,480.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,314.19 : 19,965.13 = 4,988.26 : x
  2. Step 2: Convert to fraction form
    13,314.19/19,965.13 = 4,988.26/x
  3. Step 3: Cross multiply
    13,314.19x = 19,965.13 × 4,988.26
  4. Step 4: Simplify right side
    13,314.19x = 99,591,259.37
  5. Step 5: Solve for x
    x = 99,591,259.37/13,314.19
  6. Step 6: Final answer
    x = 7,480.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.